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Old 05-19-07, 07:03 AM   #7
lloeki
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Join Date: Oct 2006
Posts: 122
Default Re: Texture corruption on Quadro NVS 110M (beginning with kernel 2.6.20)

it seems turbocache cannot be disabled:
http://www.nvnews.net/vbulletin/show...ble+turbocache
http://www.nvnews.net/vbulletin/show...ble+turbocache

it should really be time that nvidia start looking seriously into this issue.

I did some test casing as described in all the other threads and it all comes down to 2.6.19 => 2.6.20.

I'd have gladly do regression testing, and test each 2.6.20-rc* but I can't find them, or even each git commit to trace the culprit commit but I don't know how to do that. and I don't feel like I have to do nvidia's work...

IIRC there have been some pci and memory management changes in 2.6.20, and I think that's the cause, but who knows.
http://kernelnewbies.org/Linux_2_6_20 (see eg under various core changes)
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